
What is STP Oil Treatment?
STP Oil Treatment contains zinc dithiophosphate as an anti-wear additive. In 1970, STP CEO Andy Granatelli founded the STP Formula One Team. Mario Andretti was hired to drive. The team competed a total of five races running a March Engineering chassis, their best result being a third place at the 1970 Spanish Grand Prix.
Do STP® oil additives suspend sludge?
STP® Oil Additive products contain detergents, which can help suspend sludge in the motor oil and prevent it from accumulating inside your engine. Do STP® oil additives cause sludge?
What is the full form of STP?
The name began as an abbreviation of Scientifically Treated Petroleum. The brand is owned by Energizer Holdings, which acquired STP in November 2018. Chemical Compounds was founded in 1953 by three businessmen, Charles Dwight (Doc) Liggett, Jim Hill and Robert De Hart, with $3,000 in start-up capital in Saint Joseph, Missouri.
Should I use STP oil additive in my car?
I would not use any oil additive in a modern car due to the tight tolerances in engines today, but if you have an older style engine from the 1980’s and older and you have issues with it burning oil than STP might help to reduce the oil burning.

What is STP viscosity?
1:0212:59Richard Petty's 1981 STP vs 2020 STP? Let's find out! - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd therefore lubricating qualities this special formula increases viscosity and anti wearMoreAnd therefore lubricating qualities this special formula increases viscosity and anti wear properties. We're going to test that promotes lubricating qualities reduces oil consumption in many cars.
Does STP Oil Treatment thicken your oil?
The addition of an aftermarket additive, such as STP, generally thickens the oil. Such products can add about 10 viscosity points to an oil. So, a 10W-30 oil becomes 20W-40 oil.
What is STP oil treatment made of?
zinc dithiophosphateSTP Oil Treatment contains zinc dithiophosphate as an anti-wear additive.
What does STP stand for in STP oil treatment?
Scientifically Treated PetroleumScientifically Treated Petroleum, better known as STP®, began with one product — STP® Oil Treatment.
Does STP Oil Treatment do anything?
STP® Oil Treatment (in the blue bottle) helps protect against engine wear with a high-viscosity formula, which fights metal-to-metal friction by providing a thicker cushion of oil between moving engine parts. It can be used in all cars, trucks and SUVs.
Does STP oil treatment have ZDDP?
STP® Oil Treatment fights friction to help protect against engine wear. This high-viscosity formula, complete with anti-wear agent ZDDP (Zinc Dialkyl Dithiophosphate), is specifically formulated to help fight metal-to-metal friction and helps reduce oil consumption.
Is STP oil Treatment good with synthetic oil?
STP® Synthetic Oil Treatment delivers all the same benefits of our traditional oil treatment but has been re-formulated for use with low-viscosity oils. This synthetic based formula provides superior protection for today's longer drain intervals.
Does STP synthetic oil treatment contain zinc?
STP oil treatment in the blue bottle (16 oz) contains zinc (ZDDP).
Can STP oil treatment be used with synthetic oil?
Use STP® Synthetic Oil Treatment for petrol and diesel engines at or between oil changes. Add entire contents to engine oil when engine is warm. One bottle (300ml) will treat 4.8 litres (6.2% treat rate).
What is STP oil?
STP is mostly an expensive bottle of Viscosity Improvers in a petroleum base; it increases oil viscosity. I'd hazard a guess at +20 SAE.
What is the problem with STP?
One possible problem with that: STP used Group I or II base oils, prone to oxidation in high-strung engines, and the VII chemicals in there have been said to be low-quality types as well. This could lead to extra piston deposits and varnish.
Is 10W-30 miscible in oil?
It absolutely is miscible in oil. 15 oz. of that product to 4 quarts should still be an SAE 30 unless the starting viscosity of the 10W-30 was at the upper range of the spec. In that case it would be a low SAE 40.
Does STP dissolve in oil?
The viscosity would be 10w30, with a gob of STP floating in the pan. Many tests on YouTube show that STP does not dissolve/mix in oil, so it would have no way of affecting the viscosity.
How much oil thickens a can of 30W?
For the oil thickening, you don’t have to mix anything, pour anything into a running engine or jump through any hoops. A can of straight 30W motor oil is the same price as any other quart of oil. Two quarts will thicken the mix even more. Don’t work harder or expensiver; work smarter. If you have the CVCC engine; mine did well on five quarts of 30W and got 36 MPG highway. 1.8 engine in an 82 Accordion.
What is the best fuel system cleaner?
As to a fuel system cleaner, if your engine is in need of this, the only two brands that I would recommend are Seafoam and Techron (by Chevron). The other fuel system cleaners don’t do much of anything except lighten your wallet, IMHO.
What lubricant to use for brass case?
A special and expensive die lubricant or straight STP. Other oils, even 90 weight gear oil, will not prevent sticking like STP does…
What causes vaporized oil to be drawn into the PCV system and burned?
Excessive ring blow-by causing vaporized oil to be drawn into the PCV system and burned
Can you use STP on a Plymouth?
I always recommend against STP, unless you have a wornout engine and you want to get one more summer out of it. I’ve never used STP since my student days car (57 Plymouth, well worn) and have not overhauled an engine since the summer of 1964. Modern oils have all the aditives you need. Fuel system cleaners (the ones that work)are a good idea every 30-40,000 miles or so.
What is STP oil?
STP is an American brand of automotive aftermarket products, especially lubricants such as motor oil and motor oil additives. The name began as an abbreviation of Scientifically Treated Petroleum. The brand is owned by Energizer Holdings, which acquired STP in November 2018.
What does STP stand for in advertising?
Studebaker briefly tied STP into its advertising as an abbreviation for “Studebaker Tested Products”. However, Studebaker-Packard CEO Sherwood Egbert felt that STP could one day outpace its parent company and recruited Andy Granatelli as the CEO of STP to help raise the product’s image. At the same time, Granatelli became the public face of STP, often wearing a white suit emblazoned with the red oval STP logo to races, distributing thousands of all-weather STP stickers. Granatelli ran two Novi specials at the 1964 Indianapolis 500. Jim Hurtubise and Bobby Unser were the drivers. There was a film made of the race centering on the Novis.
When did STP pay the penalty?
In 1976, STP faced a consumer protection order that required it to have scientific backing for certain statements and prohibited making false claims. In 1978, it paid a $500,000 civil penalty over claims. In 1995, STP paid $888,000 to settle Federal Trade Commission charges of false advertising.
Who was the driver of the STP in 1964?
Granatelli ran two Novi specials at the 1964 Indianapolis 500. Jim Hurtubise and Bobby Unser were the drivers.
When did STP sponsor the STP 500?
On February 21, 2013, STP announced a return to NASCAR Sprint Cup Series sponsorship in a multi-year deal for the STP Gas Booster 500 starting April 7, 2013 at Martinsville Speedway along with a return as primary sponsor of the Richard Petty Motorsports No. 43 for the 2013 STP Gas Booster 500.
